Open cluster M47 is a
coarse cluster of bright stars, and contains about 50 stars in a region 12 light
years in diameter; in the central portion, the stellar density is about 16 stars
per cubic parsec while the average density of the whole cluster is only 0.62
stars per cubic parsec, according to Wallenquist (as quoted by Kenneth Glyn
Jones). Its distance is about 1,600 light years (values scatter from 1,560 to
1,750 light years), so that the stars of M47 appear scattered over an area in
the sky of the same size as the full moon, 30 arc minutes.

While testing the RC 8"
and of axis guiding I was able to acquire 4 light frames of 10 minutes each
which gave me a nice luminance to combine Ezequiel LRGB image. The frame was
cropped to match the stars of the LRGB image taken in Pilar 50 away from Buenos
Aires.